(4R,7R,E)-2-tosylethyl 4-(benzyloxy)-7-((4R,5R,E)-5-hydroxy-4-(4-methoxybenzyloxy)hex-2-enoyloxy)oct-2-enoate 在
1,5-二氮杂双环[4.3.0]壬-5-烯 作用下,
以
苯 为溶剂,
反应 12.0h,
以78%的产率得到(4R,7R,E)-4-(benzyloxy)-7-((4R,5R,E)-5-hydroxy-4-(4-methoxybenzyloxy)hex-2-enoyloxy)oct-2-enoic acid